Results for: Tarmac

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What is the density of tarmac?

  2.4tonnes/m3 plus or minus 0.1 due to variances in local aggregate used.   2.4tonnes/m3 plus or minus 0.1 due to variances in local aggregate used.
In Jobs

Who invented tarmac?

Tarmac was first invented by John MacAdam. got it?   Not True: John MacAdam came up with the idea of using graded stone to pave a road.  It was Edgar Purnal Hooley who (MORE)

Can working with Tarmac cause health problems Does inhaltion of fumes from tar cause breathing problems or any othe health issues?

In short, the answer is: "Yes"! Tarmac is another word for asphalt, which comes from: British English, the word 'asphalt' refers to a mixture of mineral aggregate and bitu (MORE)
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What depth should tarmac be laid?

hi to answer your question the tarmac on a driveway should be no less than 60mm after rolled and a hardcore base(sub base) should be at least 150mm depending on ground eg deep (MORE)